OpenTechnical

OT-2026-000085706

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000085706) never changes.

Identity and time

Publication numberOT-2026-000085706 · never reused
Internal UUID01a0ae99-aaae-759e-b93f-44a3fd98d964 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085706
StatusPUBLIC

Content hashes

Canonical textbd05f9cb131977c0f94b5fcff35c468758ca4a81aa578a15576458e9dbeb9f2c
Markdown3c690e7a084c65f1d0becf1d97873a66fcbd5227a7eb213d60f3b161360e43ae
PDF
Publication page294dbd8419a8bff127e5a35cf5c3c1823ae5052a77b5bd0d3f2ea3f10e9385b4
Manifest72e59d9a8d2d7abb083d1f0ab63764fe0c3252084561cf40bc61323a2157057d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7TaqCSHBaCWcFZODIx3yU7nEmTYHgckH8PjmZ7l5xBJ4DqlCVL6dYj35GLp7mXOF1ReyAQO0g9vM2nEsZ799DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:36.695484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085706
observed 294dbd8419a8bff127e5a35cf5c3c182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.677634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085706/manifest.json
observed 72e59d9a8d2d7abb083d1f0ab63764fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.659671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085706/publication.md
observed 3c690e7a084c65f1d0becf1d97873a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.642702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085706/publication.txt
observed bd05f9cb131977c0f94b5fcff35c4687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.